Books by Tween: Science Fiction Brainboy and the DeathMaster Cog Friendroid Jinxed Nicola Berry and the Petrifying Problem with Princess Petronella The Infinite Lives of Maisie Day The Last Last-Day-of-Summer The Library of Ever The Time Hackers The Wild Robot Escapes Throwback Whales on Stilts: M. T. Anderson's Thrilling Tales The Doom Machine Jacob Wonderbar and the Cosmic Space Kapow Fuzzy Masterminds Under Their Skin Six So You Want to Be a Jedi? The Fog Diver